Tiny Dog, Big Ambition

Milly, a Chihuahua in Puerto Rico, weighs 7 ounces. She aims to take the title of world's smallest dog from a long-haired Chihuahua in Kentucky named Boo Boo. Read the full account here.

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    Puerto Rican Chihuahua Milly is seen in Vega Alta, Puerto Rico on 05 April 2012. Her owners are going to present the dog to the Guinness Record as the smallest dog in the world because she's about 2.5 inches and weighs about 7 ounces. 
    EFE
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    The smallest dog living, in terms of height, is a long haired, female Chihuahua called Boo Boo, who measured 10.16 cm (4 in) tall on 12 May 2007.
    Paul Michael Hughes/Guinness World Records
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